Update README.md

Version 3 (Kerlink Wirnet Station)/README.md

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-This is a README for Kerlink Wirnet Station.
+Follow these steps to perform passive packet sniffing using Kerlink Wirnet Station
+
+1)Connect Kerlink Wirnet Station to ethernet interface of Raspberry Pi
+2)Open chromium browser from Raspberry Pi
+3)Go to the IP address of Kerlink gateway
+	If you are using a static IP address, it should be 192.168.13.151
+4)Login to the gateway using your username and password 
+5)Run “Downloader.py” to collect log data from Kerlink gateway without closing the chromium browser 
+6)Copy “LogReader.py” to downloads folder and run
+7)A new file called “Packets.cvs” will be created with sniffed packets
+
+If you are having difficulties in step 3, please follow these steps to connect to Kerlink Wirnet Station
+
+1.	Please make sure that the wiring of the  Kerlink Wirnet Station is okay.
+2.	For the Power over Ethernet injector 
+	•	Connect “Data & Power out”   to the cable connected to the gateway.
+	•	Data In : Cable connected to the network (router).
+3.	Gain access to the router and see whether that the gateway has obtained an IP-address from it. (It should and that is used to connect to the gate-way)
+4.	From a browser try to connect to that IP-Address.
+5.	Enter your login details, these are the default username and password: 
+	•	Login : admin
+	•	Password: spnpwd
+6.	If it does not obtain an IP from the router, connect the cable that connected to the router to the computer and try following,
+	•Try to connect to the IP 192.168.13.151. Please set the computers LAN to the same (something like 192.168.13.150).